missing display file

1 files changed, 41 insertions, 0 deletions

diff --git a/voctogui/lib/videodisplay.py b/voctogui/lib/videodisplay.py
new file mode 100644
index 0000000..6537b78
--- /dev/null
+++ b/voctogui/lib/videodisplay.py
@@ -0,0 +1,41 @@
+import logging
+from gi.repository import Gst, Gtk
+
+class VideoDisplay:
+	""" Displays a Voctomix-Video-Stream into a GtkWidget """
+
+	def __init__(self, port, widget):
+		self.log = logging.getLogger('VideoDisplay[%u]' % port)
+
+		pipeline = """
+			videotestsrc !
+			timeoverlay !
+			video/x-raw,width=1920,height=1080 !
+			xvimagesink
+		""".format(
+			port=port
+		)
+		self.log.info('launching gstreamer-pipeline for widget %s "%s":\n%s', widget.get_name(), Gtk.Buildable.get_name(widget), pipeline)
+
+		self.pipeline = Gst.parse_launch(pipeline)
+
+		widget.realize()
+		self.xid = widget.get_property('window').get_xid()
+
+		bus = self.pipeline.get_bus()
+		bus.add_signal_watch()
+		bus.enable_sync_message_emission()
+
+		bus.connect('message::error', self.on_error)
+		bus.connect("sync-message::element", self.on_syncmsg)
+
+	def run(self):
+		self.pipeline.set_state(Gst.State.PLAYING)
+
+	def on_syncmsg(self, bus, msg):
+		if msg.get_structure().get_name() == "prepare-window-handle":
+				self.log.info('setting xvimagesink window-handle to %s', self.xid)
+				msg.src.set_window_handle(self.xid)
+
+	def on_error(self, bus, msg):
+			self.log.error('on_error():', msg.parse_error())